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JPL Small-Body Database Browser
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516977 (2012 HZ84)
Classification: TransNeptunian Object          SPK-ID: 2516977
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1966894720572505 0.00093172  
a 46.33194460629718 0.02686 au
q 37.21893888229881 0.024165 au
i 5.432816799748574 0.0013661 deg
node 257.0244855991778 0.0059335 deg
peri 86.06358421754285 0.11813 deg
M 321.8109128550714 0.042247 deg
tp 2470820.072039397512
(2052-Oct-09.57203940)
15.352 TDB
period 115191.1779794214
315.38
100.17
0.2743
d
yr
n .003125239330952176 2.7177e-06 deg/d
Q 55.44495033029555 0.032143 au
  Orbit Determination Parameters
   # obs. used (total)      47  
   data-arc span      1893 days (5.18 yr)  
   first obs. used      2012-04-17  
   last obs. used      2017-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .12411  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 07:12:49  

Additional Information
 Earth MOID = 36.215 au 
 Jupiter MOID = 32.2672 au 
 T_jup = 5.937 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 8.9   n/a MPO441262  

516977 (2012 HZ84)          Discovered 2012-Apr-17 by New Horizons KBO Search at Las Campanas
Reference: Last Updated: 2018-05-06
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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